Seiko Cal. 5240 - 133

Released in 1979, the Cal. 5240 with design code 133 was part of Seiko's domestic market collection. With its 20mm lug width and 12.5mm profile, it sits comfortably on most wrists. [seikata-wm-cadd7ee4e4e8]

Also known as: Goldfeather, Golden Tuna

Specifications

Movement

Spring Drive

Case Material

Gold-Plated

Case Width

42mm

Case Thickness

12.5mm

Lug Width

20mm

Crystal

Sapphire

Bezel

Bidirectional

Water Resistance

190m

Dial Color

Cream

Jewels

20j

Frequency

21,600 bph

Power Reserve

70 hours

Year

1979

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